Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OFT, OCS, IEE-CMN, ITE-BCT [detail] |
2016-11-10 17:50 |
Nagasaki |
Nagasaki Shoko Kaigi Sho |
Medium-wave antenna and impedance matching changes Kazuaki Wakai (DIT) |
[more] |
|
R |
2014-10-17 15:00 |
Kagoshima |
|
[Invited Talk]
Reliability management for disaster prevention design of radio equipment Kazuaki Wakai (DIT) R2014-58 |
Discussing the way of transmitting equipment corresponding to many disasters experienced East Japan earthquake. Constant... [more] |
R2014-58 pp.19-24 |
EMD, R |
2014-02-21 15:55 |
Osaka |
|
Reliability assessment of the electromagnetic noise from fluorescent lighting equipment Kazuaki Wakai (Diichi Inst. of Tech.) R2013-90 EMD2013-146 |
Lighting equipment is one thing home appliances while promoting energy saving equipment. Radio noise from the lighting s... [more] |
R2013-90 EMD2013-146 pp.35-40 |
EMD, R |
2013-02-15 15:30 |
Mie |
Sumitomo Wiring System, Ltd |
Study of medium-wave isolator with quasi gyrator Kazuaki Wakai (Diichi Inst. of Tech.) R2012-76 EMD2012-107 |
This paper discusses the basic design of the medium wave isolator by using 3dB coupler and quasi gyrator. We adopt the p... [more] |
R2012-76 EMD2012-107 pp.23-28 |
R |
2012-10-19 13:30 |
Fukuoka |
|
Development of Medium wave Isolator Kazuaki Wakai (Daiichi Institute of Technology) R2012-54 |
Medium wave isolator was un-worked on the broadcasting transmitting system by comparison with the VHF, UHF and SHF Band.... [more] |
R2012-54 pp.1-6 |
EMD, R |
2012-02-17 13:15 |
Kyoto |
|
Reliability evaluation of medium wave antenna auto-matching control system Kazuaki Wakai (DIT) R2011-46 EMD2011-120 |
Medium wave antenna will be coming under the influence from atmospheric phenomena of snow-stuck with antenna element, in... [more] |
R2011-46 EMD2011-120 pp.25-30 |
R |
2010-10-29 16:00 |
Kagoshima |
|
Reliable design of the antenna matching circuit on the emergency case Kazuaki Wakai (Daiichi institute of technology) R2010-30 |
Recently more information will be coming under review for many disasters in case of heavy rain and/or earthquake on the ... [more] |
R2010-30 pp.29-34 |
R |
2009-10-16 14:35 |
Fukuoka |
Kyutech Plaza@Tenjin of Kyushu Institute of Technology |
Maintenance for broadcasting transmitting equipment in the digital era Kazuaki Wakai (Daiichi Inst. of Tech.) R2009-36 |
[more] |
R2009-36 pp.19-24 |
EMD, R |
2009-02-20 16:20 |
Mie |
Sumitomo Wiring Systems LTD., Head Office |
Avoidance for lightning damages on the stray metal portion of the broadcasting system Kazuaki Wakai (Daiichi Univ.), Yuji Sawaguri (SGC) R2008-56 EMD2008-132 |
We have quite a bit of experience for the broadcasting transmitting system, which are designing, management, maintenance... [more] |
R2008-56 EMD2008-132 pp.69-76 |
EMD, R |
2008-02-15 11:05 |
Kyoto |
|
Reliability design and applications for the Non power supply type optical transmission unit Yoshikazu Toba (Seikoh Giken), Kazuaki Wakai (ITEC) R2007-60 EMD2007-115 |
Non power supply type optical transmission unit can be avoided the lighting surge attack between the reception site and ... [more] |
R2007-60 EMD2007-115 pp.7-12 |
R |
2007-07-13 13:00 |
Hokkaido |
Kitami Institute of Technology |
Bidirectional VSWR supervising system and reliability management for stand-by transmitter Hiroyuki Nishimori, Kazuaki Wakai (NHK), Tomohide Kakutani (ITEC) R2007-22 |
The Surge Protector (SP) protects the medium wave radio transmitter damages from deterioration of the VSWR on the output... [more] |
R2007-22 pp.17-22 |
EMD, R |
2007-02-16 15:00 |
Osaka |
|
Maintenance for transmitting facilities by using the High frequency and High voltage test equipment Makoto Satoh, Shoji Hirose, Yasumasa Konno, Kazuaki Wakai (NHK) |
In this report, we show the measured data of a high frequency and high voltage discharge phenomenon, and consider a meth... [more] |
R2006-51 EMD2006-72 pp.23-26 |
R |
2006-05-26 16:15 |
Tokushima |
University of Tokushima |
Reliability evaluation of the transmitter devices by using the high frequency and high voltage test equipment Shoji Hirose, Hidetoshi Okano, Makoto Satoh, Kazuaki Wakai (NHK) |
The evaluation is conducted with a high frequency and high voltage test equipment for the reliability management of the ... [more] |
R2006-14 pp.43-48 |
R, EMD |
2005-02-18 13:25 |
Kyoto |
Omron |
An analysis of transient phenomena in medium wave power amplifier within load impedance characteristics Masahiko Yamazoe, Kazuaki Wakai (NHK), Tomohide Kakutani (ITEC), Ikuji Fujitani (NHK) |
This paper describes transient phenomena in solid state power amplifiers(PA) on the two types of medium wave transmitter... [more] |
|
R |
2004-10-22 15:50 |
Fukuoka |
Kyushu University |
Reliability Management for lightning Strike in Large Power Medium wave Radio Transmitting Station Kiyotaka Hori, Tomohide Kakutani, Rui Nakamura, Hajime Asanuma, Ikuji Fujitani, Kazuaki Wakai (NHK) |
(To be available after the conference date) [more] |
R2004-39 pp.29-34 |